Câu 252: IIA-CIA-PART2: Certified Internal Auditor - Part 2 Conducting the Internal Audit Engagement

Which of the following data sources would provide the least valid data for an audit of a retail store's customer service?

1. A. A graph that compares staffing levels for selected times with store traffic (number of customers) over the same time period.
2. B. A random survey of customer satisfaction given to customers as they leave the store.
3. C. Interviews of randomly selected service personnel regarding the quality of service that they provide. — đáp án hiện tại
4. D. A graph of customer service training across stores, comparing training with overall levels of service satisfaction.